Preg Wheel vs Calendar Clock Administrator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Preg Wheel
This app provides a digital pregnancy wheel for iPhone users, eliminating the need for a physical one. It allows for quick input of key dates and offers accurate results, accounting for calendar variations. The app also saves your information for future use and includes important dates for screenings throughout the pregnancy.
- Input LMP, EDD, EGA, and IVF dates
- Accurate date calculations with leap year support
- Save and restore input dates
- Track important screening test dates
- View dates for 1st Trimester US, CVS, Quad Screen, and more
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Simple and fast pregnancy wheel available for the iPhone, No need to carry a paper wheel. The best part is the app is completely free. Features ------------------------------- 1) Quickly input various dates with the date wheel: • Last menstrual period (LMP) • Estimated date of delivery (EDD) • Estimated Gestational Age (EGA) • IVF dates 2) Accurate results: Preg Wheel provides exact dates and accounts for all calendar variance, including leap years. 3) Persistence: Preg Wheel can save the date and date type and restore them when launched to streamline your workflow. 4) Now with even more relevant dates for the entire pregnancy. Know in advance when specific screening tests need to be performed. • 1st Trimesters US • CVS • Quad Screen • Amino • Anatomy US • GTT • Anti-D Prophylaxis • GBS Screen • Elective Delivery
Calendar Clock Administrator
This app allows caretakers to remotely manage messages, reminders, and agenda items on a specialized clock device. It facilitates communication and customization for users with time awareness or memory challenges.
- Create, edit, and delete messages and reminders
- Schedule agenda items
- Disable specific functionalities
- Initiate video calls
- Control multiple clock devices
- Customize text and background colors
- Add pictures and display weather
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With the Calendar Clock Administrator app, after linking with the Calendar Clock application, messages can be posted remotely on the Calendar Clock application The Calendar Clock Administrator application can only be used in combination with the Calendar Clock application. The Calendar Clock is a clock with a message function that supports those with reduced awareness of time and/or memory problems. Calendar Clock displays the time of day and time (analogue or digital) and also shows important agenda items, reminders and/or personal messages. Caretakers (professionals, relatives or friends) can schedule, edit and delete messages, reminders or personal messages. Multiple administrators can connect to the same Calendar Clock - application and therefore post messages. The appearance of the Calendar Clock application can also be changed from this application. Moreover, using the video calling feature, a direct connection can always be established. This application: • Is FREE; • Can create, edit and delete agenda items, reminders and/or personal messages; • Can disable certain functionalities so that only the desired functionalities remain; • Can start video calls with Calendar Clock applications; • Can control multiple Calendar Clock applications; • Can change the text and background colour; • Can add pictures and enable the showing of the weather; • Internet connection is required for the messaging function; • Synchronization of the message function takes about 30 minutes; • Stimulates mutual contact; • Is not a substitute for direct/personal contact. Privacy Policy: https://calendarclock.app/privacy Terms and Conditions: https://calendarclock.app/terms
Screenshots
Verdict
The clearest difference is rating: Calendar Clock Administrator at 4.6 against Preg Wheel's 4.0. Calendar Clock Administrator also leads on review sentiment (100% vs 60%) and update cadence (every 2 weeks vs every 9 months). Preg Wheel's advantage is in-app purchases (none vs 6) and iOS requirement (10.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Calendar Clock Administrator sells 6 in-app purchases, starting at $4.99 per month. Preg Wheel asks for nothing beyond the download.
Calendar Clock Administrator holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 62 and 25 respectively. Written reviews point the same way: 60% of Preg Wheel's written reviews are positive against 100% of Calendar Clock Administrator's.
Preg Wheel ships an update every 9 months, Calendar Clock Administrator every 2 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.
| Parameter | Preg Wheel | Calendar Clock Administrator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (62 ratings) | 4.6 (25 ratings) — better |
| Positive reviews | 60.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 62 — better | 25 |
| Update frequency | Every 9 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 24 MB | 68 MB |
| Age rating | 17+ | 4+ |
| Developer | Andrew Yu | Jelter B.V. |
Customer experience
Preg Wheel
Calendar Clock Administrator
Bugs and requests
Preg Wheel
Reported bugs
13 issues- IVF dating function does not work
- Cannot calculate due date based on weeks and ultrasound date
- LMP does not change when due date is entered, and vice versa
- App not compatible with iOS 14
- App not compatible with iOS 11
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- App not compatible with iOS 7
- App not working after iPhone updates
- App crashes or shuts down
- Gestational weeks are wrong
- All numbers came up wrong
- Does not work on iPad anymore
- Freezes phone
- Instant shutdown
Requested features
5 requests- Update for latest iOS
- Update IVF dating function
- Add FTS window
- Ensure compatibility with newer devices/OS
- Local time zone support
Calendar Clock Administrator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Preg Wheel
No in-app purchases
Calendar Clock Administrator
- Premium (month)7 Days trial$4.991 Month
- Premium Plus (maand)7 Days trial$8.991 Month
- Premium (year)7 Days trial$49.991 Year
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- Premium Plus (year)7 Days trial$89.991 Year
- Premium$5.99
- Premium Plus$13.99
Questions
Is Preg Wheel free?
Is Calendar Clock Administrator free?
Which has better reviews, Preg Wheel or Calendar Clock Administrator?
Do Preg Wheel or Calendar Clock Administrator have ads?
Which is updated more often, Preg Wheel or Calendar Clock Administrator?
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